What does it mean when your check fuel cap comes on?
Simply put, if your fuel cap light is on, it means that the computer has detected a leak in the system, typically from a loose gas cap. If this light comes on while driving, pull over in a safe spot and re-secure the cap. If the light doesn’t turn off, inspect the gas cap for any damage and replace it if necessary.
What does the fuel cap warning light mean?
The fuel cap light tells you when a leak has been detected in your car, most likely from a loose gas cap.
Why do I need to change my gas cap?
The main reason you may need to consider changing your standard fuel cap sooner rather than later is an upcoming emissions test. Many state governments opt to test gas caps for efficiency during this annual test, and a cracked, chipped, damaged or missing gas cap will cause you to fail the examination.
Do you need a gas cap at AutoZone?
The real test is finding the right match for your tank and one that covers all the bases in terms of regulations and legal requirements, details which staff members at your local AutoZone store can help you out with. There are a few other options you might want to consider as well, including locking fuel caps.
What to do if gas cap light comes on while driving?
If this light comes on while driving, pull over in a safe spot and re-secure the cap. Continue driving normally with the light illuminated and it should go off within a day or two. If the light doesn’t turn off, inspect the gas cap for any damage and replace it if necessary.
What’s the purpose of a gas cap on a car?
The gas cap is designed to do two jobs. The first job is to prevent gasoline vapor or liquid from escaping from the tank. The second duty is to maintain a constant pressure inside the fuel cell. This pressure is what allows fuel to flow to the fuel pump, and eventually to power your vehicle.
When do you need to replace the gas cap?
If the gas tank filler housing is damaged, it will need to be replaced by a professional mechanic. This is highly unlikely but can happen in some rare cases. Under most circumstances, replacing the gas cap on any car, truck or SUV is very easy to complete.
What causes a gas cap to get stuck?
In many circumstances, the problem that causes a gas cap to be stuck is caused by one of three things: 1 A mechanical defect in the gas cap 2 User error on installing the gas cap 3 A mechanical defect in the gas tank filler neck More
How do you remove a gas cap from a car?
With the gas cap removed from the vehicle, insert the key into the locking mechanism and turn the key to the “unlock position.” Look underneath the cap to determine if the locking bracket moves inward. If you don’t see any action on the bottom or internal parts of the gas cap, the lock was the culprit.